Finding the Fourth Proportional to 122,572.48, 183,687.36 and 66,291.04
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Solution
The fourth proportional to 122,572.48, 183,687.36 and 66,291.04 is: 99,343.88
Step by Step Solution
- Step 1: Write the proportion equation
122,572.48 : 183,687.36 = 66,291.04 : x - Step 2: Convert to fraction form
122,572.48/183,687.36 = 66,291.04/x - Step 3: Cross multiply
122,572.48x = 183,687.36 × 66,291.04 - Step 4: Simplify right side
122,572.48x = 12,176,826,129.25 - Step 5: Solve for x
x = 12,176,826,129.25/122,572.48 - Step 6: Final answer
x = 99,343.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.